29 journey aliso viejo, ca 92656 usa (949) 448-7070 f ax : (949) 448-8484 e- mail : abinfo @ abracon.com i nternet a ddress : www.abracon.com abracon is iso 9001 / qs 9000 certified corporation abracon -20- ? note: left blank if standard all specifications and markings subject to change without notice microprocessor crystals at 49 low profile 4-pad absm 3a and absm 3b frequency range 3.5 mhz - 25 mhz operation mode fundamental, at operating temperature -10 c to + 60 c (see options) storage temperature -55 c to + 125 c frequency tolerance @ 25 c 50 ppm max. (see options) frequency stability over temp. 50 ppm max. (see options) equivalent series resistance 200 ? for 3.5 mhz < f < 4.0 mhz (esr) maximum 150 ? for 4.0 mhz < f < 6.0 mhz 100 ? for 6.0 mhz < f < 10.0 mhz 80 ? for 10 mhz < f < 14.0 mhz 50 ? for 14 mhz < f < _ 25 mhz shunt capacitance c 0 7 pf max. load capacitance c l 16 p f (see option) drive level 100 ? max. aging @ 25 c first year 5 pp m max. insulation resistance 500 m ? min. at 100 vdc 15v
frequency range 3.579 mhz - 60 mhz operation mode 3.579 mhz - 28 mhz (fundamental) 28.01 mhz - 60 mhz (3rd overtone) (fundamental frequency up to 50 mhz) operating temperature -10 c to +60 c (see options) storage temperature - 40 to +85 c frequency tolerance @ 25 c 50 ppm max. (see options) frequency stability over temp. 100 ppm max. (see options) equivalent series resistance 180 ? max. for f ~ 3.579 mhz - 3.999 mhz (esr) 150 ? max. for f ~ 4.000 mhz - 4.999 mhz 100 ? max. for f ~ 5.000 mhz - 6.999 mhz 50 ? max. for f ~ 7.000 mhz - 14.99 mhz 40 ? max. for f ~ 15.00 mhz - 50.00 mhz 3rd overtone 100 ? max. for f ~ 28.01 mhz - 60.00 mhz shunt capacitance c 0 7 pf max. load capacitance c l 18 pf (see options) drive level 1 mw max., 100 w correlation aging @ 25 c per year 5 ppm max. insulation resistance 500 m ? min. at 100 vdc 15v applications: modems, communications and density equipment features: excellent all-purpose surface-mount crystal. two different pin connects available. four pad land pattern compatible with common plastic molded designs. please see environmental, and mechanical specifications on page 68, group 1. marking, see page 76. tape and reel, see pages 74-75 (1,000 pcs / reel). absm3x - frequency - cl - esr - t emperature - t olerance - stability - mode - packaging xx.xxxx mhz rxxx (value in ? ) -1 for 10 ppm -7 for 15 ppm -2 for 20 ppm -3 for 25 ppm -4 for 30 ppm - t (tape & reel) -f (fundamental at > 28 mhz) - fb (fundamental bt > 28 mhz) -u for 10 ppm -x for 20 ppm -w for 25 ppm -y for 30 ppm -h for 35 ppm -z for 50 ppm -e for 0 c to + 70 c -b for -20 c to + 70 c -c for -30 c to + 70 c -n for -30 c to + 85 c -d for -40 c to + 85 c
load cap.in pf or -s for series a or b dimensions: inches (mm) pin connections h = 0.18 max (4.6) for f > 20.00 mhz h = 0.20 max (5.1) for f > _ 3.579 mhz absm 3a absm 3b 22355 abracon corx 2-29.qxd 3/6/00 6:52 am page 20
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